Sun Fire[TM] 12K/15K/E20K/E25K: No SOF interrupts have been received, this USB OHCI hostcontroller is unusable

Asset ID:	1-72-1337295.1
Update Date:	2018-04-02
Keywords:

Solution Type Problem Resolution Sure

Solution 1337295.1 : Sun Fire[TM] 12K/15K/E20K/E25K: No SOF interrupts have been received, this USB OHCI hostcontroller is unusable

Applies to:

Sun Fire 15K Server - Version Not Applicable to Not Applicable [Release N/A]
Sun Fire E25K Server - Version Not Applicable to Not Applicable [Release N/A]
Sun Fire E20K Server - Version Not Applicable to Not Applicable [Release N/A]
Sun Fire 12K Server - Version Not Applicable to Not Applicable [Release N/A]
Information in this document applies to any platform.
***Checked for relevance on 18-Dec-2012***

Symptoms

Sometimes logs like "No SOF interrupts have been received, this USB OHCI hostcontroller is unusable" are displayed at boot time:

Jul 11 01:21:40 hostname genunix: [ID 540533 kern.notice] ^MSunOS Release 5.10 Version Generic_118833-36 64-bit
...
Jul 11 01:22:15 hostname usba: [ID 691482 kern.warning] WARNING: /pci@9c,700000/usb@3,3 (ohci2): No SOF interrupts have been received, this USB OHCI hostcontroller is unusable
Jul 11 01:22:52 hostname usba: [ID 691482 kern.warning] WARNING: /pci@9c,700000/usb@3,3 (ohci2): No SOF interrupts have been received, this USB OHCI hostcontroller is unusable
Jul 11 01:22:56 hostname usba: [ID 691482 kern.warning] WARNING: /pci@9c,700000/usb@3,3 (ohci2): No SOF interrupts have been received, this USB OHCI hostcontroller is unusable
Jul 11 02:46:49 hostname usba: [ID 691482 kern.warning] WARNING: /pci@9c,700000/usb@3,3 (ohci2): No SOF interrupts have been received, this USB OHCI hostcontroller is unusable

Cause

Starcat hardware issue involving the absence of connections for USB. Starcat was never intended to support USB devices. These errors are harmless and can be repressed by adding an entry to /etc/system.

Errors regarding feature that is not supported by SF15/25K

Solution

Adding the following to the /etc/system file repressed the error messages:

exclude: drv/ohci

Internal Section
References:
Bug 6203994: No SOF interrupts have been received, this USB OHCI host controller is unusable

Attachments

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